Definitions for "Vouch"
To call; to summon.
To call upon to witness; to obtest.
To warrant; to maintain by affirmations; to attest; to affirm; to avouch.
give surety or assume responsibility; "I vouch for the quality of my products"
To back; to support; to confirm; to establish.
give supporting evidence; "He vouched his words by his deeds"
give personal assurance; guarantee; "Will he vouch for me?"